(19)
(11) EP 4 078 382 A1

(12)

(43) Date of publication:
26.10.2022 Bulletin 2022/43

(21) Application number: 20903053.5

(22) Date of filing: 11.12.2020
(51) International Patent Classification (IPC): 
G06F 12/0815(2016.01)
G06F 12/1027(2016.01)
G06F 21/16(2013.01)
G06F 12/1009(2016.01)
G06F 13/16(2006.01)
(52) Cooperative Patent Classification (CPC):
G06F 12/1009; G06F 12/0833; G06F 12/145; G06F 12/0877; G06F 11/3062; G06F 11/3037; G06F 11/3024; G06F 2201/81; Y02D 10/00
(86) International application number:
PCT/US2020/064483
(87) International publication number:
WO 2021/126690 (24.06.2021 Gazette 2021/25)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 20.12.2019 US 201916723185

(71) Applicant: Advanced Micro Devices, Inc.
Santa Clara, CA 95054 (US)

(72) Inventors:
  • ARORA, Sonu
    Santa Clara, California 95054 (US)
  • TSIEN, Benjamin
    Santa Clara, California 95054 (US)
  • BRANOVER, Alexander J.
    Boxborough, Massachusetts 01719 (US)

(74) Representative: Hancox, Jonathan Christopher et al
Venner Shipley LLP Windsor House 6-10 Mount Ephraim Road
Tunbridge Wells, Kent TN1 1EE
Tunbridge Wells, Kent TN1 1EE (GB)

   


(54) ARBITRATION SCHEME FOR COHERENT AND NON-COHERENT MEMORY REQUESTS